Information Systems Security Manager - TS/SCI with Polygraph

Posted 7 Days Ago
Be an Early Applicant
McLean, VA, USA
In-Office
162K-219K Annually
Senior level
Aerospace • Information Technology • Professional Services • Security • Software
The Role
Manage information system security and customer RMF workflows from authorization planning through ATO. Review access and system-change requests, coordinate POA&M vulnerability remediation, enforce NIST and cybersecurity controls, maintain security documentation and configuration management, monitor recovery processes, conduct internal audits, and support governance reviews. The role requires extensive RMF, A&A, NIST, STIG, ServiceNow, Tenable, and SCAP experience, along with an active TS/SCI clearance and polygraph.
Summary Generated by Built In

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Cyber and IT Risk Management

Job Qualifications:

Skills:

Cloud: Amazon Web Services (AWS), Plan of Action and Milestones (POA&M), RMF, Xacta (Platform)

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

Yes

Job Description:

Seize your opportunity to make a personal impact as an Information Systems Security Management professional supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.

At GDIT, people are our differentiator. As an Information Systems Security Manager (ISSM)​, you will help ensure today is safe and tomorrow is smarter. Our work depends on an ISSM joining our highly skilled team to be a premier provider of cyber security services to the customer.  We provide consummate cyber security risk management “as a service” platform across multiple fabrics and centers.  We have responsibility to ensure operational IT capabilities provide the client with necessary timeliness, accuracy and security of information demanded from all our highly professional roles. Be the change, lead our change – join us!

HOW AN ISSM WILL MAKE AN IMPACT

  • Support customer RMF workflow and processes by proposing, coordinating, implementing and enforcing information system security policies, instructions, standards, and methodologies
  • Review and approve customer requests related to accesses, devices, and other authorizations
  • Evaluate the impact of network and system changes using RMF processes and approve the changes
  • Manage multiple projects throughout Authorization and Accreditation (A&A) process from concept to Authority to Operate (ATO)
  • Coordinate with system stakeholders on mitigating system vulnerabilities outlined in POA&Ms
  • Ensure compliance with NIST 800-53 controls and relevant cybersecurity standards
  • Ensure configuration management for security-relevant IS software, hardware and firmware is maintained and documented
  • Ensure system recovery processes are monitored to ensure security features and procedures are properly restored
  • Ensure all IS security-related documentation is current and accessible to properly authorized individuals
  • Formally notify the appropriate individuals when changes occur that might affect authorization
  • Participate in governance and project reviews identified by the customer
  • Require strong documentation skills to create and update policies, process documentation and procedures
  • Conduct internal audits to ensure compliance with RMF requirements
  • Demonstrated experience with RMF, ICD 503, CNSSI 1253, NIST SP 800-53/53A, and STIGs

WHAT YOU’LL NEED TO SUCCEED:

  • Education: Bachelors (Computer engineering, Computer Science, Electrical Engineering, Information systems, Information Technology, Cybersecurity, or a closely related discipline)
  • Required Certification: CompTIA Advanced Security Practitioner (CASP+)
  • Required Experience: 8+ yrs
  • Required Technical Skills:
  • Require strong documentation skills to create and update policies, process documentation and procedures
  • Experience with ServiceNow, Tenable, and other SCAP Compliant tools
  • Demonstrated experience with RMF, ICD 503, CNSSI 1253, NIST SP 800-53/53A, and STIGs
  • Security Clearance Level: TS/SCI with active polygraph
  • Preferred Certifications:
  • Certified Information Systems Security Professional (CISSP)
  • CompTIA Security+
  • Certified Information Systems auditor (CISA)
  • Certified Information Security Manager (CISM)
  • AWS Solutions Architect Associate or Professional
  • Location: Tysons Corner, VA - On Customer Site

GDIT IS YOUR PLACE:

  • 401K with company match
  • Comprehensive health and wellness packages
  • Internal mobility team dedicated to helping you own your career
  • Professional growth opportunities including paid education and certifications
  • Cutting-edge technology you can learn from
  • Rest and recharge with paid vacation and holidays

#WeAreGDIT
#JET
#GDITEnhanced2026
#VA_2026Alumni

The likely salary range for this position is $161,500 - $218,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA VA McLean

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

 



Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Skills Required

  • Bachelor’s degree in computer engineering, computer science, electrical engineering, information systems, information technology, cybersecurity, or a closely related discipline
  • 8+ years of related experience
  • CompTIA Advanced Security Practitioner (CASP+) certification
  • Active Top Secret/SCI clearance with polygraph
  • U.S. citizenship
  • Strong documentation skills for creating and updating policies, processes, and procedures
  • Experience with ServiceNow, Tenable, and other SCAP-compliant tools
  • Experience with RMF, ICD 503, CNSSI 1253, NIST SP 800-53/53A, and STIGs
  • Certified Information Systems Security Professional (CISSP) certification
  • CompTIA Security+ certification
  • Certified Information Systems Auditor (CISA) certification
  • Certified Information Security Manager (CISM) certification
  • AWS Solutions Architect Associate or Professional certification

General Dynamics Information Technology Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about General Dynamics Information Technology and has not been reviewed or approved by General Dynamics Information Technology.

  • Affordable Benefits Pay and benefits are described as good or okay in multiple places, and the overall package is often portrayed as acceptable even when base pay is not viewed as top-tier.
  • Healthcare Strength Medical, dental, and vision plan options are presented as comprehensive, with additional protections like disability and life insurance contributing to a well-rounded health and protection offering.
  • Retirement Support A 401(k) plan with company match is consistently highlighted as part of the total rewards package, supporting longer-term financial planning.

General Dynamics Information Technology Insights

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The Company
HQ: Falls Church, VA
21,625 Employees

What We Do

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

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